On the Ongoing Evolution of Very High Frequency Power Supplies

Arnold Knott, Toke Meyer Andersen, Peter Kamby, Mickey Pierre Madsen, Milovan Kovacevic, Michael A. E. Andersen

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    Abstract

    The ongoing demand for smaller and lighter power supplies is driving the motivation to increase the switching frequencies of power converters. Drastic increases however come along with new challenges, namely the increase of switching losses in all components. The application of power circuits used in radio frequency transmission equipment helps to overcome those. However those circuits were not designed to meet the same requirements as power converters. This paper summarizes the contributions in recent years in application of very high frequency (VHF) technologies in power electronics, describes the remaining challenges and shows results of the recent advances, among others a 120MHz, 9 W LED driver with 89 % efficiency.
    Original languageEnglish
    Title of host publicationProceedings of The IEEE Applied Power Electronics Conference and Exposition : APEC
    Number of pages6
    PublisherIEEE
    Publication date2013
    Pages2514-2519
    ISBN (Print)978-1-4673-4354-1
    ISBN (Electronic)978-1-4673-4353-4
    DOIs
    Publication statusPublished - 2013
    Event2013 28th Annual IEEE Applied Power Electronics Conference and Exposition - Long Beach Convention Center, Long Beach, United States
    Duration: 17 Mar 201321 Mar 2013
    Conference number: 28
    https://ieeexplore.ieee.org/xpl/conhome/6516132/proceeding

    Conference

    Conference2013 28th Annual IEEE Applied Power Electronics Conference and Exposition
    Number28
    LocationLong Beach Convention Center
    Country/TerritoryUnited States
    CityLong Beach
    Period17/03/201321/03/2013
    Internet address

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